GOLDAPP, WM.

Oil // district 3 // lease#21078

op: MARATHON OIL COMPANY

cum_oil

128k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 128,064 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,624 BBL/mo

Di (annual)

33.8%

b-factor

0.6

EUR

115,130 BBL

R-squared

0.804

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5TXO PRODUCTION CORP.513,0812004-09-23
EOF // data source: Texas Railroad Commission // 2026